Add 7.3inch e-Paper (F) Raspberry Pi program.

RaspberryPi_JetsonNano/c/Makefile

@@ -144,6 +144,9 @@ else ifeq ($(EPD), epd5in83bV2)
 else ifeq ($(EPD), epd5in84)
 	OBJ_C_EPD = ${DIR_EPD}/EPD_5in84.c
 	OBJ_C_Examples = ${DIR_Examples}/EPD_5in84_test.c
+else ifeq ($(EPD), epd7in3f)
+	OBJ_C_EPD = ${DIR_EPD}/EPD_7in3f.c
+	OBJ_C_Examples = ${DIR_Examples}/EPD_7in3f_test.c
 else ifeq ($(EPD), epd7in5)
 	OBJ_C_EPD = ${DIR_EPD}/EPD_7in5.c
 	OBJ_C_Examples = ${DIR_Examples}/EPD_7in5_test.c

RaspberryPi_JetsonNano/c/examples/EPD_7in3f_test.c

@@ -0,0 +1,162 @@
+/*****************************************************************************
+* | File        :   EPD_7in3f_test.c
+* | Author      :   Waveshare team
+* | Function    :   7.3inch e-Paper (F) Demo
+* | Info        :
+*----------------
+* | This version:   V1.0
+* | Date        :   2022-10-20
+* | Info        :
+* -----------------------------------------------------------------------------
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+******************************************************************************/
+#include "EPD_Test.h"
+#include "EPD_7in3f.h"
+#include "time.h"
+
+int EPD_7in3f_test(void)
+{
+    printf("EPD_7IN3F_test Demo\r\n");
+    if(DEV_Module_Init()!=0){
+        return -1;
+    }
+
+    printf("e-Paper Init and Clear...\r\n");
+    EPD_7IN3F_Init();
+
+    struct timespec start={0,0}, finish={0,0}; 
+    clock_gettime(CLOCK_REALTIME, &start);
+    EPD_7IN3F_Clear(EPD_7IN3F_WHITE); // WHITE
+    clock_gettime(CLOCK_REALTIME, &finish);
+    printf("%ld S\r\n", finish.tv_sec-start.tv_sec);    
+    DEV_Delay_ms(1000);
+
+    //Create a new image cache
+    UBYTE *BlackImage;
+    UDOUBLE Imagesize = ((EPD_7IN3F_WIDTH % 2 == 0)? (EPD_7IN3F_WIDTH / 2 ): (EPD_7IN3F_WIDTH / 2 + 1)) * EPD_7IN3F_HEIGHT;
+    if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
+        printf("Failed to apply for black memory...\r\n");
+        return -1;
+    }
+    printf("Paint_NewImage\r\n");
+    Paint_NewImage(BlackImage, EPD_7IN3F_WIDTH, EPD_7IN3F_HEIGHT, 0, EPD_7IN3F_WHITE);
+    Paint_SetScale(7);
+
+#if 1   // show bmp
+    printf("show bmp1-----------------\r\n");
+    Paint_SelectImage(BlackImage);
+    Paint_Clear(EPD_7IN3F_WHITE);
+    GUI_ReadBmp_RGB_7Color("./pic/7in3f3.bmp", 0, 0);
+    EPD_7IN3F_Display(BlackImage);
+    DEV_Delay_ms(3000);
+
+    printf("show bmp2------------------------\r\n");
+    Paint_SelectImage(BlackImage);
+    GUI_ReadBmp_RGB_7Color("./pic/7in3f1.bmp", 0, 0);
+    EPD_7IN3F_Display(BlackImage);
+    DEV_Delay_ms(3000);
+#endif
+
+#if 1   // Drawing on the image
+    // 1.Select Image
+    printf("SelectImage:BlackImage\r\n");
+    Paint_SelectImage(BlackImage);
+    Paint_Clear(EPD_7IN3F_WHITE);
+
+    // 2.Drawing on the image
+    printf("Drawing:BlackImage\r\n");
+    Paint_DrawPoint(10, 80, EPD_7IN3F_RED, DOT_PIXEL_1X1, DOT_STYLE_DFT);
+    Paint_DrawPoint(10, 90, EPD_7IN3F_BLUE, DOT_PIXEL_2X2, DOT_STYLE_DFT);
+    Paint_DrawPoint(10, 100, EPD_7IN3F_GREEN, DOT_PIXEL_3X3, DOT_STYLE_DFT);
+    Paint_DrawLine(20, 70, 70, 120, EPD_7IN3F_ORANGE, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
+    Paint_DrawLine(70, 70, 20, 120, EPD_7IN3F_ORANGE, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
+    Paint_DrawRectangle(20, 70, 70, 120, EPD_7IN3F_BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
+    Paint_DrawRectangle(80, 70, 130, 120, EPD_7IN3F_BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
+    Paint_DrawCircle(45, 95, 20, EPD_7IN3F_BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
+    Paint_DrawCircle(105, 95, 20, EPD_7IN3F_WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
+    Paint_DrawLine(85, 95, 125, 95, EPD_7IN3F_YELLOW, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
+    Paint_DrawLine(105, 75, 105, 115, EPD_7IN3F_YELLOW, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
+    Paint_DrawString_CN(10, 160, "ÄãºÃAbc", &Font12CN, EPD_7IN3F_BLACK, EPD_7IN3F_WHITE);
+    Paint_DrawString_CN(10, 180, "΢ѩµç×Ó", &Font24CN, EPD_7IN3F_WHITE, EPD_7IN3F_BLACK);
+    Paint_DrawNum(10, 33, 123456789, &Font12, EPD_7IN3F_BLACK, EPD_7IN3F_WHITE);
+    Paint_DrawNum(10, 50, 987654321, &Font16, EPD_7IN3F_WHITE, EPD_7IN3F_BLACK);
+    Paint_DrawString_EN(400, 0, "waveshare", &Font16, EPD_7IN3F_BLACK, EPD_7IN3F_WHITE);
+    Paint_DrawString_EN(400, 20, "waveshare", &Font16, EPD_7IN3F_GREEN, EPD_7IN3F_WHITE);
+    Paint_DrawString_EN(400, 40, "waveshare", &Font16, EPD_7IN3F_BLUE, EPD_7IN3F_WHITE);
+    Paint_DrawString_EN(400, 60, "waveshare", &Font16, EPD_7IN3F_RED, EPD_7IN3F_WHITE);
+    Paint_DrawString_EN(400, 80, "waveshare", &Font16, EPD_7IN3F_YELLOW, EPD_7IN3F_WHITE);
+    Paint_DrawString_EN(400, 100, "waveshare", &Font16, EPD_7IN3F_ORANGE, EPD_7IN3F_WHITE);
+    Paint_DrawString_EN(150, 0, "hello world", &Font24, EPD_7IN3F_WHITE, EPD_7IN3F_BLACK);
+    Paint_DrawString_EN(150, 30, "hello world", &Font24, EPD_7IN3F_GREEN, EPD_7IN3F_BLACK);
+    Paint_DrawString_EN(150, 60, "hello world", &Font24, EPD_7IN3F_BLUE, EPD_7IN3F_BLACK);
+    Paint_DrawString_EN(150, 90, "hello world", &Font24, EPD_7IN3F_RED, EPD_7IN3F_BLACK);
+    Paint_DrawString_EN(150, 120, "hello world", &Font24, EPD_7IN3F_YELLOW, EPD_7IN3F_BLACK);
+    Paint_DrawString_EN(150, 150, "hello world", &Font24, EPD_7IN3F_ORANGE, EPD_7IN3F_BLACK);
+    Paint_DrawString_EN(150, 180, "hello world", &Font24, EPD_7IN3F_BLACK, EPD_7IN3F_YELLOW);
+
+    printf("EPD_Display\r\n");
+    EPD_7IN3F_Display(BlackImage);
+    DEV_Delay_ms(3000);
+#endif
+
+#if 1   // Drawing on the image
+    //1.Select Image
+    printf("SelectImage:BlackImage\r\n");
+    Paint_SelectImage(BlackImage);
+    Paint_Clear(EPD_7IN3F_WHITE);
+
+    int hNumber, hWidth, vNumber, vWidth;
+    hNumber = 10;
+    hWidth = EPD_7IN3F_HEIGHT/hNumber; // 480/10=48
+    vNumber = 20;
+    vWidth = EPD_7IN3F_WIDTH/vNumber; // 800/20=40
+    
+    // 2.Drawing on the image
+    printf("Drawing:BlackImage\r\n");
+    for(int i=0; i<hNumber; i++) {  // horizontal
+        Paint_DrawRectangle(1, 1+i*hWidth, EPD_7IN3F_WIDTH, hWidth*(1+i), EPD_7IN3F_BLACK + (i % 2), DOT_PIXEL_1X1, DRAW_FILL_FULL);
+    }
+    for(int i=0; i<vNumber; i++) {  // vertical
+        if(i%2) {
+            Paint_DrawRectangle(1+i*vWidth, 1, vWidth*(i+1), EPD_7IN3F_HEIGHT, EPD_7IN3F_GREEN + (i%5), DOT_PIXEL_1X1, DRAW_FILL_FULL);
+        }
+    }
+
+    printf("EPD_Display\r\n");
+    EPD_7IN3F_Display(BlackImage);
+    DEV_Delay_ms(3000);
+#endif
+
+    printf("Clear...\r\n");
+    EPD_7IN3F_Clear(EPD_7IN3F_WHITE);
+
+    printf("Goto Sleep...\r\n");
+    EPD_7IN3F_Sleep();
+    free(BlackImage);
+    BlackImage = NULL;
+    DEV_Delay_ms(2000); // important, at least 2s
+    // close 5V
+    printf("close 5V, Module enters 0 power consumption ...\r\n");
+    DEV_Module_Exit();
+    
+    return 0;
+}
+

RaspberryPi_JetsonNano/c/examples/EPD_Test.h

@@ -98,6 +98,8 @@ int EPD_5in83b_V2_test(void);
 
 int EPD_5in84_test(void);
 
+int EPD_7in3f_test(void);
+
 int EPD_7in5_test(void);
 int EPD_7in5_HD_test(void);
 int EPD_7in5_V2_test(void);

RaspberryPi_JetsonNano/c/examples/main.c

@@ -154,6 +154,9 @@ int main(void)
 #elif epd5in84
     EPD_5in84_test();
     
+#elif epd7in3f
+    EPD_7in3f_test();
+
 #elif epd7in5
     EPD_7in5_test();
     

RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_7in3f.c

@@ -0,0 +1,280 @@
+/*****************************************************************************
+* | File        :   EPD_7in3f.c
+* | Author      :   Waveshare team
+* | Function    :   7.3inch e-Paper (F) Driver
+* | Info        :
+*----------------
+* | This version:   V1.0
+* | Date        :   2022-10-20
+* | Info        :
+* -----------------------------------------------------------------------------
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+******************************************************************************/
+#include "EPD_7in3f.h"
+#include "Debug.h"
+
+/******************************************************************************
+function :  Software reset
+parameter:
+******************************************************************************/
+static void EPD_7IN3F_Reset(void)
+{
+    DEV_Digital_Write(EPD_RST_PIN, 1);
+    DEV_Delay_ms(20);
+    DEV_Digital_Write(EPD_RST_PIN, 0);
+    DEV_Delay_ms(2);
+    DEV_Digital_Write(EPD_RST_PIN, 1);
+    DEV_Delay_ms(20);
+}
+
+/******************************************************************************
+function :  send command
+parameter:
+     Reg : Command register
+******************************************************************************/
+static void EPD_7IN3F_SendCommand(UBYTE Reg)
+{
+    DEV_Digital_Write(EPD_DC_PIN, 0);
+    DEV_Digital_Write(EPD_CS_PIN, 0);
+    DEV_SPI_WriteByte(Reg);
+    DEV_Digital_Write(EPD_CS_PIN, 1);
+}
+
+/******************************************************************************
+function :  send data
+parameter:
+    Data : Write data
+******************************************************************************/
+static void EPD_7IN3F_SendData(UBYTE Data)
+{
+    DEV_Digital_Write(EPD_DC_PIN, 1);
+    DEV_Digital_Write(EPD_CS_PIN, 0);
+    DEV_SPI_WriteByte(Data);
+    DEV_Digital_Write(EPD_CS_PIN, 1);
+}
+
+/******************************************************************************
+function :  Wait until the busy_pin goes LOW
+parameter:
+******************************************************************************/
+static void EPD_7IN3F_ReadBusyH(void)
+{
+    Debug("e-Paper busy H\r\n");
+    while(!DEV_Digital_Read(EPD_BUSY_PIN)) {      //LOW: busy, HIGH: idle
+        DEV_Delay_ms(1);
+    }
+    Debug("e-Paper busy H release\r\n");
+}
+
+/******************************************************************************
+function :  Turn On Display
+parameter:
+******************************************************************************/
+static void EPD_7IN3F_TurnOnDisplay(void)
+{
+    EPD_7IN3F_SendCommand(0x04); // POWER_ON
+    EPD_7IN3F_ReadBusyH();
+
+    EPD_7IN3F_SendCommand(0x12); // DISPLAY_REFRESH
+    EPD_7IN3F_SendData(0x00);
+    EPD_7IN3F_ReadBusyH();
+
+    EPD_7IN3F_SendCommand(0x02); // POWER_OFF
+    EPD_7IN3F_SendData(0X00);
+    EPD_7IN3F_ReadBusyH();
+}
+
+/******************************************************************************
+function :  Initialize the e-Paper register
+parameter:
+******************************************************************************/
+void EPD_7IN3F_Init(void)
+{
+    EPD_7IN3F_Reset();
+    EPD_7IN3F_ReadBusyH();
+    DEV_Delay_ms(30);
+
+    EPD_7IN3F_SendCommand(0xAA);    // CMDH
+    EPD_7IN3F_SendData(0x49);
+    EPD_7IN3F_SendData(0x55);
+    EPD_7IN3F_SendData(0x20);
+    EPD_7IN3F_SendData(0x08);
+    EPD_7IN3F_SendData(0x09);
+    EPD_7IN3F_SendData(0x18);
+
+    EPD_7IN3F_SendCommand(0x01);
+    EPD_7IN3F_SendData(0x3F);
+    EPD_7IN3F_SendData(0x00);
+    EPD_7IN3F_SendData(0x32);
+    EPD_7IN3F_SendData(0x2A);
+    EPD_7IN3F_SendData(0x0E);
+    EPD_7IN3F_SendData(0x2A);
+
+    EPD_7IN3F_SendCommand(0x00);
+    EPD_7IN3F_SendData(0x5F);
+    EPD_7IN3F_SendData(0x69);
+
+    EPD_7IN3F_SendCommand(0x03);
+    EPD_7IN3F_SendData(0x00);
+    EPD_7IN3F_SendData(0x54);
+    EPD_7IN3F_SendData(0x00);
+    EPD_7IN3F_SendData(0x44); 
+
+    EPD_7IN3F_SendCommand(0x05);
+    EPD_7IN3F_SendData(0x40);
+    EPD_7IN3F_SendData(0x1F);
+    EPD_7IN3F_SendData(0x1F);
+    EPD_7IN3F_SendData(0x2C);
+
+    EPD_7IN3F_SendCommand(0x06);
+    EPD_7IN3F_SendData(0x6F);
+    EPD_7IN3F_SendData(0x1F);
+    EPD_7IN3F_SendData(0x16);
+    EPD_7IN3F_SendData(0x25);
+
+    EPD_7IN3F_SendCommand(0x08);
+    EPD_7IN3F_SendData(0x6F);
+    EPD_7IN3F_SendData(0x1F);
+    EPD_7IN3F_SendData(0x1F);
+    EPD_7IN3F_SendData(0x22);
+
+    EPD_7IN3F_SendCommand(0x13);    // IPC
+    EPD_7IN3F_SendData(0x00);
+    EPD_7IN3F_SendData(0x04);
+
+    EPD_7IN3F_SendCommand(0x30);
+    EPD_7IN3F_SendData(0x02);
+
+    EPD_7IN3F_SendCommand(0x41);     // TSE
+    EPD_7IN3F_SendData(0x00);
+
+    EPD_7IN3F_SendCommand(0x50);
+    EPD_7IN3F_SendData(0x3F);
+
+    EPD_7IN3F_SendCommand(0x60);
+    EPD_7IN3F_SendData(0x02);
+    EPD_7IN3F_SendData(0x00);
+
+    EPD_7IN3F_SendCommand(0x61);
+    EPD_7IN3F_SendData(0x03);
+    EPD_7IN3F_SendData(0x20);
+    EPD_7IN3F_SendData(0x01); 
+    EPD_7IN3F_SendData(0xE0);
+
+    EPD_7IN3F_SendCommand(0x82);
+    EPD_7IN3F_SendData(0x1E); 
+
+    EPD_7IN3F_SendCommand(0x84);
+    EPD_7IN3F_SendData(0x00);
+
+    EPD_7IN3F_SendCommand(0x86);    // AGID
+    EPD_7IN3F_SendData(0x00);
+
+    EPD_7IN3F_SendCommand(0xE3);
+    EPD_7IN3F_SendData(0x2F);
+
+    EPD_7IN3F_SendCommand(0xE0);   // CCSET
+    EPD_7IN3F_SendData(0x00); 
+
+    EPD_7IN3F_SendCommand(0xE6);   // TSSET
+    EPD_7IN3F_SendData(0x00);
+    
+}
+
+/******************************************************************************
+function :  Clear screen
+parameter:
+******************************************************************************/
+void EPD_7IN3F_Clear(UBYTE color)
+{
+    UWORD Width, Height;
+    Width = (EPD_7IN3F_WIDTH % 2 == 0)? (EPD_7IN3F_WIDTH / 2 ): (EPD_7IN3F_WIDTH / 2 + 1);
+    Height = EPD_7IN3F_HEIGHT;
+
+    EPD_7IN3F_SendCommand(0x10);
+    for (UWORD j = 0; j < Height; j++) {
+        for (UWORD i = 0; i < Width; i++) {
+            EPD_7IN3F_SendData((color<<4)|color);
+        }
+    }
+
+    EPD_7IN3F_TurnOnDisplay();
+}
+
+/******************************************************************************
+function :  show 7 kind of color block
+parameter:
+******************************************************************************/
+void EPD_7IN3F_Show7Block(void)
+{
+    unsigned long i, j, k;
+    unsigned char const Color_seven[8] = 
+    {EPD_7IN3F_BLACK, EPD_7IN3F_BLUE, EPD_7IN3F_GREEN, EPD_7IN3F_ORANGE,
+    EPD_7IN3F_RED, EPD_7IN3F_YELLOW, EPD_7IN3F_WHITE, EPD_7IN3F_WHITE};
+
+    EPD_7IN3F_SendCommand(0x10);
+    for(i=0; i<240; i++) {
+        for(k = 0 ; k < 4; k ++) {
+            for(j = 0 ; j < 100; j ++) {
+                EPD_7IN3F_SendData((Color_seven[k]<<4) |Color_seven[k]);
+            }
+        }
+    }
+    
+    for(i=0; i<240; i++) {
+        for(k = 4 ; k < 8; k ++) {
+            for(j = 0 ; j < 100; j ++) {
+                EPD_7IN3F_SendData((Color_seven[k]<<4) |Color_seven[k]);
+            }
+        }
+    }
+    EPD_7IN3F_TurnOnDisplay();
+}
+
+/******************************************************************************
+function :  Sends the image buffer in RAM to e-Paper and displays
+parameter:
+******************************************************************************/
+void EPD_7IN3F_Display(UBYTE *Image)
+{
+    UWORD Width, Height;
+    Width = (EPD_7IN3F_WIDTH % 2 == 0)? (EPD_7IN3F_WIDTH / 2 ): (EPD_7IN3F_WIDTH / 2 + 1);
+    Height = EPD_7IN3F_HEIGHT;
+
+    EPD_7IN3F_SendCommand(0x10);
+    for (UWORD j = 0; j < Height; j++) {
+        for (UWORD i = 0; i < Width; i++) {
+            EPD_7IN3F_SendData(Image[i + j * Width]);
+        }
+    }
+    EPD_7IN3F_TurnOnDisplay();
+}
+
+/******************************************************************************
+function :  Enter sleep mode
+parameter:
+******************************************************************************/
+void EPD_7IN3F_Sleep(void)
+{
+    EPD_7IN3F_SendCommand(0x07); // DEEP_SLEEP
+    EPD_7IN3F_SendData(0XA5);
+}
+

RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_7in3f.h

@@ -0,0 +1,58 @@
+/*****************************************************************************
+* | File        :   EPD_7in3f.h
+* | Author      :   Waveshare team
+* | Function    :   7.3inch e-Paper (F) Driver
+* | Info        :
+*----------------
+* | This version:   V1.0
+* | Date        :   2022-10-20
+* | Info        :
+* -----------------------------------------------------------------------------
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+******************************************************************************/
+#ifndef __EPD_7IN3F_H_
+#define __EPD_7IN3F_H_
+
+#include "DEV_Config.h"
+
+// Display resolution
+#define EPD_7IN3F_WIDTH       800
+#define EPD_7IN3F_HEIGHT      480
+
+/**********************************
+Color Index
+**********************************/
+#define EPD_7IN3F_BLACK   0x0   /// 000
+#define EPD_7IN3F_WHITE   0x1   /// 001
+#define EPD_7IN3F_GREEN   0x2   /// 010
+#define EPD_7IN3F_BLUE    0x3   /// 011
+#define EPD_7IN3F_RED     0x4   /// 100
+#define EPD_7IN3F_YELLOW  0x5   /// 101
+#define EPD_7IN3F_ORANGE  0x6   /// 110
+#define EPD_7IN3F_CLEAN   0x7   /// 111   unavailable  Afterimage
+
+void EPD_7IN3F_Init(void);
+void EPD_7IN3F_Clear(UBYTE color);
+void EPD_7IN3F_Show7Block(void);
+void EPD_7IN3F_Display(UBYTE *Image);
+void EPD_7IN3F_Sleep(void);
+
+#endif

RaspberryPi_JetsonNano/python/examples/epd_7in3f_test.py

@@ -0,0 +1,71 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import sys
+import os
+picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
+libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
+if os.path.exists(libdir):
+    sys.path.append(libdir)
+
+import logging
+from waveshare_epd import epd7in3f
+import time
+from PIL import Image,ImageDraw,ImageFont
+import traceback
+
+logging.basicConfig(level=logging.DEBUG)
+
+try:
+    logging.info("epd7in3f Demo")
+
+    epd = epd7in3f.EPD()   
+    logging.info("init and Clear")
+    epd.init()
+    epd.Clear()
+    font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
+    font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
+    font40 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 40)
+    
+    # Drawing on the image
+    logging.info("1.Drawing on the image...")
+    Himage = Image.new('RGB', (epd.width, epd.height), epd.WHITE)  # 255: clear the frame
+    draw = ImageDraw.Draw(Himage)
+    draw.text((5, 0), 'hello world', font = font18, fill = epd.RED)
+    draw.text((5, 20), '7.3inch e-Paper (F)', font = font24, fill = epd.YELLOW)
+    draw.text((5, 45), u'微雪电子', font = font40, fill = epd.GREEN)
+    draw.text((5, 85), u'微雪电子', font = font40, fill = epd.BLUE)
+    draw.text((5, 125), u'微雪电子', font = font40, fill = epd.ORANGE)
+
+    draw.line((5, 170, 80, 245), fill = epd.BLUE)
+    draw.line((80, 170, 5, 245), fill = epd.ORANGE)
+    draw.rectangle((5, 170, 80, 245), outline = epd.BLACK)
+    draw.rectangle((90, 170, 165, 245), fill = epd.GREEN)
+    draw.arc((5, 250, 80, 325), 0, 360, fill = epd.RED)
+    draw.chord((90, 250, 165, 325), 0, 360, fill = epd.YELLOW)
+    epd.display(epd.getbuffer(Himage))
+    time.sleep(3)
+    
+    # read bmp file 
+    logging.info("2.read bmp file")
+    Himage = Image.open(os.path.join(picdir, '7in3f1.bmp'))
+    epd.display(epd.getbuffer(Himage))
+    time.sleep(3)
+
+    logging.info("3.read bmp file")
+    Himage = Image.open(os.path.join(picdir, '7in3f3.bmp'))
+    epd.display(epd.getbuffer(Himage))
+    time.sleep(3)
+    
+    logging.info("Clear...")
+    epd.Clear()
+    
+    logging.info("Goto Sleep...")
+    epd.sleep()
+        
+except IOError as e:
+    logging.info(e)
+    
+except KeyboardInterrupt:    
+    logging.info("ctrl + c:")
+    epd7in3f.epdconfig.module_exit()
+    exit()

RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd7in3f.py

@@ -0,0 +1,247 @@
+# *****************************************************************************
+# * | File        :	  epd7in3f.py
+# * | Author      :   Waveshare team
+# * | Function    :   Electronic paper driver
+# * | Info        :
+# *----------------
+# * | This version:   V1.0
+# * | Date        :   2022-10-20
+# # | Info        :   python demo
+# -----------------------------------------------------------------------------
+# ******************************************************************************/
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+import logging
+from . import epdconfig
+
+import PIL
+from PIL import Image
+import io
+
+# Display resolution
+EPD_WIDTH       = 800
+EPD_HEIGHT      = 480
+
+logger = logging.getLogger(__name__)
+
+class EPD:
+    def __init__(self):
+        self.reset_pin = epdconfig.RST_PIN
+        self.dc_pin = epdconfig.DC_PIN
+        self.busy_pin = epdconfig.BUSY_PIN
+        self.cs_pin = epdconfig.CS_PIN
+        self.width = EPD_WIDTH
+        self.height = EPD_HEIGHT
+        self.BLACK  = 0x000000   #   0000  BGR
+        self.WHITE  = 0xffffff   #   0001
+        self.GREEN  = 0x00ff00   #   0010
+        self.BLUE   = 0xff0000   #   0011
+        self.RED    = 0x0000ff   #   0100
+        self.YELLOW = 0x00ffff   #   0101
+        self.ORANGE = 0x0080ff   #   0110
+        
+    # Hardware reset
+    def reset(self):
+        epdconfig.digital_write(self.reset_pin, 1)
+        epdconfig.delay_ms(20) 
+        epdconfig.digital_write(self.reset_pin, 0)         # module reset
+        epdconfig.delay_ms(2)
+        epdconfig.digital_write(self.reset_pin, 1)
+        epdconfig.delay_ms(20)   
+
+    def send_command(self, command):
+        epdconfig.digital_write(self.dc_pin, 0)
+        epdconfig.digital_write(self.cs_pin, 0)
+        epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, 1)
+
+    def send_data(self, data):
+        epdconfig.digital_write(self.dc_pin, 1)
+        epdconfig.digital_write(self.cs_pin, 0)
+        epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, 1)
+        
+    # send a lot of data   
+    def send_data2(self, data):
+        epdconfig.digital_write(self.dc_pin, 1)
+        epdconfig.digital_write(self.cs_pin, 0)
+        epdconfig.spi_writebyte2(data)
+        epdconfig.digital_write(self.cs_pin, 1)
+        
+    def ReadBusyH(self):
+        logger.debug("e-Paper busy H")
+        while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: busy, 1: idle
+            epdconfig.delay_ms(5)
+        logger.debug("e-Paper busy H release")
+
+    def TurnOnDisplay(self):
+        self.send_command(0x04) # POWER_ON
+        self.ReadBusyH()
+
+        self.send_command(0x12) # DISPLAY_REFRESH
+        self.send_data(0X00)
+        self.ReadBusyH()
+        
+        self.send_command(0x02) # POWER_OFF
+        self.send_data(0X00)
+        self.ReadBusyH()
+        
+    def init(self):
+        if (epdconfig.module_init() != 0):
+            return -1
+        # EPD hardware init start
+        self.reset()
+        self.ReadBusyH()
+        epdconfig.delay_ms(30)
+
+        self.send_command(0xAA)    # CMDH
+        self.send_data(0x49)
+        self.send_data(0x55)
+        self.send_data(0x20)
+        self.send_data(0x08)
+        self.send_data(0x09)
+        self.send_data(0x18)
+
+        self.send_command(0x01)
+        self.send_data(0x3F)
+        self.send_data(0x00)
+        self.send_data(0x32)
+        self.send_data(0x2A)
+        self.send_data(0x0E)
+        self.send_data(0x2A)
+
+        self.send_command(0x00)
+        self.send_data(0x5F)
+        self.send_data(0x69)
+
+        self.send_command(0x03)
+        self.send_data(0x00)
+        self.send_data(0x54)
+        self.send_data(0x00)
+        self.send_data(0x44) 
+
+        self.send_command(0x05)
+        self.send_data(0x40)
+        self.send_data(0x1F)
+        self.send_data(0x1F)
+        self.send_data(0x2C)
+
+        self.send_command(0x06)
+        self.send_data(0x6F)
+        self.send_data(0x1F)
+        self.send_data(0x16)
+        self.send_data(0x25)
+
+        self.send_command(0x08)
+        self.send_data(0x6F)
+        self.send_data(0x1F)
+        self.send_data(0x1F)
+        self.send_data(0x22)
+
+        self.send_command(0x13)    # IPC
+        self.send_data(0x00)
+        self.send_data(0x04)
+
+        self.send_command(0x30)
+        self.send_data(0x02)
+
+        self.send_command(0x41)     # TSE
+        self.send_data(0x00)
+
+        self.send_command(0x50)
+        self.send_data(0x3F)
+
+        self.send_command(0x60)
+        self.send_data(0x02)
+        self.send_data(0x00)
+
+        self.send_command(0x61)
+        self.send_data(0x03)
+        self.send_data(0x20)
+        self.send_data(0x01) 
+        self.send_data(0xE0)
+
+        self.send_command(0x82)
+        self.send_data(0x1E) 
+
+        self.send_command(0x84)
+        self.send_data(0x00)
+
+        self.send_command(0x86)    # AGID
+        self.send_data(0x00)
+
+        self.send_command(0xE3)
+        self.send_data(0x2F)
+
+        self.send_command(0xE0)   # CCSET
+        self.send_data(0x00) 
+
+        self.send_command(0xE6)   # TSSET
+        self.send_data(0x00)
+        return 0
+
+    def getbuffer(self, image):
+        # Create a pallette with the 7 colors supported by the panel
+        pal_image = Image.new("P", (1,1))
+        pal_image.putpalette( (0,0,0,  255,255,255,  0,255,0,   0,0,255,  255,0,0,  255,255,0, 255,128,0) + (0,0,0)*249)
+
+        # Check if we need to rotate the image
+        imwidth, imheight = image.size
+        if(imwidth == self.width and imheight == self.height):
+            image_temp = image
+        elif(imwidth == self.height and imheight == self.width):
+            image_temp = image.rotate(90, expand=True)
+        else:
+            logger.warning("Invalid image dimensions: %d x %d, expected %d x %d" % (imwidth, imheight, self.width, self.height))
+
+        # Convert the soruce image to the 7 colors, dithering if needed
+        image_7color = image_temp.convert("RGB").quantize(palette=pal_image)
+        buf_7color = bytearray(image_7color.tobytes('raw'))
+
+        # PIL does not support 4 bit color, so pack the 4 bits of color
+        # into a single byte to transfer to the panel
+        buf = [0x00] * int(self.width * self.height / 2)
+        idx = 0
+        for i in range(0, len(buf_7color), 2):
+            buf[idx] = (buf_7color[i] << 4) + buf_7color[i+1]
+            idx += 1
+            
+        return buf
+
+    def display(self, image):
+        self.send_command(0x10)
+        self.send_data2(image)
+
+        self.TurnOnDisplay()
+        
+    def Clear(self, color=0x11):
+        self.send_command(0x10)
+        self.send_data2([color] * int(self.height) * int(self.width/2))
+
+        self.TurnOnDisplay()
+
+    def sleep(self):
+        self.send_command(0x07) # DEEP_SLEEP
+        self.send_data(0XA5)
+        
+        epdconfig.delay_ms(2000)
+        epdconfig.module_exit()
+### END OF FILE ###
+